# Mechanical Pendulums vs STEMboard

The clearest difference is device support: STEMboard at 3 against Mechanical Pendulums's —. STEMboard also leads on iOS requirement (13.4 vs 15.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Mechanical Pendulums against 5.0 for STEMboard. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | Mechanical Pendulums | STEMboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mechanical-pendulums/id377376047/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/stemboard-math-work-digitally/id1550542641/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 months |
| Monetization | Free | Free |
| Size | 0 MB | 22 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ManneTroll Solutions](https://appshunter.io/developer/313743954) | [STEMboard](https://appshunter.io/developer/1550542643) |

## What reviewers say

### Mechanical Pendulums

[App page](https://appshunter.io/ios/app/mechanical-pendulums/id377376047)

Explore the complex and often chaotic motion of coupled pendulums. Interact with double, triple, quadruple, and even octuple pendulums, visualizing their behavior in 2D or 3D.

**Highlights:** N-tuple pendulum simulations, Interactive motion control, Multiple pendulum configurations, Quartz and OpenGL visualization, Derived equations of motion, 4th order Runge-Kutta solver

**In-app purchases:** none


### STEMboard

[App page](https://appshunter.io/ios/app/stemboard-math-work-digitally/id1550542641)

This educational app allows teachers to create and upload assignments that help students master prerequisite skills and close learning gaps. Students can complete work digitally on a whiteboard and receive detailed feedback from educators. All student work is stored for ongoing access.

**Highlights:** Assignment upload from various sources, Interactive digital whiteboard for student work, Detailed teacher feedback and markup tools, Replay feature to track student problem-solving process, Digital folder for permanent storage of student work, Google Classroom integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mechanical Pendulums free?

Mechanical Pendulums is free to download, with no in-app purchases.

### Is STEMboard free?

STEMboard is free to download, with no in-app purchases.

### Which has better reviews, Mechanical Pendulums or STEMboard?

Mechanical Pendulums and STEMboard are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*